Rubber composition for producing sponge rubber product

Details Rubber composition for producing sponge rubber product Rubber composition for producing sponge rubber product

1989-03-02

1989-09-12

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

264 54, 521140, 521150, C08J 910

Patent

active

048661015

ABSTRACT:
A rubber composition for producing sponge rubber products which comprises 1 to 20 parts by weight of a blowing agent and 0.1 to 0.8 part by weight of sulfur relative to 100 parts by weight of an ethylene-.alpha.-olefin-non-conjugated dienes tetrapolymer containing as non-conjugated dienes the ethylidene-norbornene component amounting to 15 to 30 in terms of iodine value and the dicyclopentadiene component amounting to 1 to 10 in terms of iodine value and having a branching index of at least 2.

REFERENCES:
patent: 4212787 (1980-07-01), Matsuda et al.
patent: 4247652 (1981-01-01), Matsuda et al.
patent: 4312776 (1982-01-01), Puri et al.
patent: 4329499 (1982-05-01), Horstmann et al.
patent: 4613524 (1986-09-01), Walles
patent: 4647498 (1987-03-01), Walles
patent: 4680317 (1987-07-01), Kuhnel et al.

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